From: Sorting out inherent features of head-to-head gene pairs by evolutionary conservation
Functional Similarity
PCC>0.355*
PCC>0.5
PCC>0.6
Set H
0.576
0.594
0.654
Set HM
0.538
0.532
0.564
Set HMC
0.512
0.541
0.693
Set HMCF
0.687
0.567
0.848